CN201410633Y

CN201410633Y - Drill bit positioning device

Info

Publication number: CN201410633Y
Application number: CN2009201233751U
Authority: CN
Inventors: 张长春
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-23
Filing date: 2009-06-23
Publication date: 2010-02-24
Anticipated expiration: 2019-06-23

Abstract

The utility model discloses a drill bit positioning device which comprises a support stand with a drill chuck trepan boring. The drill bit positioning device is characterized in that the drill bit positioning device further comprises a ladder striking flake, a ladder sheath base and mutually-jacketed ladder sheathes, wherein the ladder sheathes are arranged in the ladder sheath base, ladder sheathshrink-rings correspond to the outer diameters of drill bits with different specification sizes, the ladder striking flake is provided with multiple layers of striking flakes which are transversely arranged up and down, the layer number of the striking flakes and the number of the ladder sheathes are the same, each ladder sheath corresponds to the striking flake on a corresponding layer, the ladder sheath on the intermost layer corresponds to the striking flake on the lowest layer, the ladder sheath on the outermost layer corresponds to the striking flake on the topside layer, the rest can bedone in the same manner, and each ladder sheath is supported by a corresponding striking flake, and the upper end surfaces of the ladder sheathes are arranged in stepped shape to form a tilt angle which is matched with a drill bit peak angle. The drill bit positioning device has the characteristics of convenient and accurate drill bit positioning, after employing the drill bit positioning devicefor positioning, the drill bit edge sharpening residues are uniform, the bit edge sharpening precision is high, and the shapes of sharpening drill bit edges are symmetrical.

Description

Drill positioning device

[technical field]

The utility model relates to a kind of drill point grinder, and what be specifically related to is a kind of drill positioning device of drill point grinder.

[background technology]

The drill point grinder of prior art generally comprises drill bit location and two parts of drill sharpening, its drill bit localization part comprises regulating handle and locating piece, the regulating handle limit is provided with the scale of corresponding different size size drill bit, specification size according to institute's abrasive drilling head, the corresponding scale of regulating handle, then the drill chuck of clamping drilling bit is put into the drill chuck trepanning of drill bit localization part, rotary drill bit gently then, drill bit front one side at main cutting knife edge mouth place is contacted with locating piece, realization drill bit location, tighten drill chuck then, get final product drill bit and drill chuck are fixing.But, locating piece only with drill bit front one side contacts, be easy to generate location eccentricity and the location is inaccurate, tooth shape is asymmetric probably for the drill bit that comes out of sharpening like this, grinding quality is relatively poor owing to locate inaccurately, the sharpening surplus of each drill bit is also different; Also have, the drill bit of each grinding different size need be regulated the position of locating piece with regulating handle, operates very inconvenient.

[summary of the invention]

In view of the problem that present known technology exists, the technical problems to be solved in the utility model is to be to provide a kind of drill bit location convenient, accurate, unified, the sharpening precision height of back, location drill sharpening surplus, the drill positioning device of the drill bit tooth shape symmetry that sharpening comes out.

For solving the problems of the technologies described above, the utility model takes following technical scheme to finish:

A kind of drill positioning device, comprise bearing with drill chuck trepanning, it is characterized in that: described drill positioning device comprises the ladder shell fragment, the ladder cover of ladder block set and mutual socket, ladder is set in the terraced block set, the outside diameter of the corresponding different size of each ladder cover collar, described ladder shell fragment has the multilayer shell fragment of horizontally set up and down, the number of plies of shell fragment is identical with ladder cover quantity, the shell fragment of the corresponding equivalent layer of each ladder cover, the ladder of innermost layer overlaps corresponding undermost shell fragment, the shell fragment of the corresponding the superiors of outermost ladder cover, by that analogy, each ladder cover is supported by the shell fragment of equivalent layer, and each ladder puts and is the stairstepping setting between the end face, forms the inclination angle that is complementary with angle, drill bit peak.Described ladder cover collar upper surface is provided with locating slot, and this locating slot is corresponding with drill bit main cutting knife edge mouth position.

The utility model is by being provided with the ladder cover that is complementary with the different size drill bit, the ladder cover is supported by the ladder shell fragment, like this when drill bit is located, we only need to put the drill chuck of clamping drilling bit into the drill chuck trepanning, drill bit at first contacts with undersized ladder cover, because the gravity effect of drill bit, produce strain with the ladder cover that drill bit at first contacts owing to support the outer outstanding shell fragment of its bottom, the ladder cover sinks, so last drill bit will contact with the ladder cover that is complementary, the drill bit location gets final product drill bit and drill chuck clamping the drill bit very convenient and accurate positioning in location then; Each ladder cover collar upper surface is provided with and the corresponding locating slot in drill bit main cutting knife edge mouth position, like this when drill bit is located, the both sides, drill bit front that are positioned at main cutting knife edge mouth place all contact with ladder cover locating slot, and the drill bit location just can not produce off-centre like this, grinds its tooth shape symmetry of drill bit of coming.In sum, the utility model has realized that the drill bit location is convenient, accurate, unified, the sharpening precision height of back, location drill sharpening surplus, and the drill bit tooth shape symmetry that sharpening comes out compared with prior art, has substantive distinguishing features and progress.

[description of drawings]

The utility model has following accompanying drawing:

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the B portion enlarged drawing of Fig. 1

Fig. 3 is the enlarged drawing of overlooking of Fig. 1

Fig. 4 is the structural representation of the utility model duty

Fig. 5 is the A portion enlarged drawing of Fig. 4

[specific embodiment]

Accompanying drawing has been represented the technical solution of the utility model and embodiment, further describes each relevant details and operation principle thereof of embodiment below more in conjunction with the accompanying drawings.

As Fig. 1,2, shown in 3, the utility model comprises bearing 2, ladder shell fragment 5, five ladders of ladder block set 4 and socket mutually overlap 3, ladder cover 3 is respectively one from inside to outside, two, three, four, Pyatyi, has the drill chuck trepanning 1 of placing drill chuck 10 on the bearing 2, ladder cover 3 is located in the terraced block set 4, the outside diameter of the corresponding different size of each ladder cover 3 collar, described ladder shell fragment 5 has five layers of shell fragment 7 of horizontally set up and down, separated in the shell fragment, five layers of shell fragment are the design of ladder form, every layer of shell fragment supports corresponding ladder cover, be that undermost shell fragment supports interior ladder cover, the shell fragment of the superiors supports the ladder cover of outermost, by that analogy, each ladder puts and is the stairstepping setting between the end face 6, each ladder puts and forms the inclination angle that is complementary with angle, drill bit peak between the end face 6, the utility model designs each ladder cover lower surface at same horizontal plane simultaneously, the bearing bottom surface of overlapping 3 lower surfaces at ladder is provided with a counterbore 8, the depth design of this counterbore has limited the submergence depth of terraced cover, guarantees that the drill bit location dimension is in rational accuracy rating; Described ladder cover collar upper surface is provided with locating slot, and this locating slot is corresponding with drill bit main cutting knife edge mouth position.

Shown in Fig. 4,5, the corresponding fourth stage ladder of the external diameter of drill bit cover, when drill bit is put positioner of the present utility model and terraced socket rotary drill bit after touch into, the both sides, drill bit front that are positioned at main cutting knife edge mouth place all contact with ladder cover locating slot, can not produce off-centre when drill bit is located like this, simultaneously, drill bit main cutting knife edge mouth drill bit at first contacts with the terraced cover of the most inboard first order, contact with second, third grade ladder cover then, because the distortion of shell fragment, one, two, three ladder cover sinks respectively, and last drill bit contacts with fourth stage ladder cover and obtains axial location.

Claims

1. drill positioning device, comprise bearing (2) with drill chuck trepanning (1), it is characterized in that: described drill positioning device comprises ladder shell fragment (5), the ladder cover (3) of ladder block set (4) and mutual socket, ladder cover (3) is located in the terraced block set (4), the outside diameter of the corresponding different size of each ladder cover (3) collar, described ladder shell fragment (5) has the multilayer shell fragment (7) of horizontally set up and down, the number of plies of shell fragment (7) is identical with ladder cover (3) quantity, the shell fragment of the corresponding equivalent layer of each ladder cover, the ladder of innermost layer overlaps corresponding undermost shell fragment, the shell fragment of the corresponding the superiors of outermost ladder cover, by that analogy, each ladder cover is supported by the shell fragment of equivalent layer, is the stairstepping setting between each ladder cover (3) upper surface (6), forms the inclination angle that is complementary with angle, drill bit peak.

2. drill positioning device as claimed in claim 1 is characterized in that: described ladder cover (3) collar upper surface is provided with locating slot (9), and this locating slot (9) is corresponding with drill bit main cutting knife edge mouth position.